Increasing Population of Blue Swimming Crab (Portunus pelagicus Linnaeus, 1758) Through Stock Enhancement: A Case Study in Boonkong Bay, Sikao District, Trang Province, Thailand
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Thailand geographic information system crab trap release site interpolation
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Abstract
Blue swimming crab (BSC) is an economically important species in Thailand. Due to the high market demand for BSC, this resource is rapidly declining. Stocking program is one of the strategies to help recover the decreasing population of this species. Seagrass bed is considered to be a suitable release site for the new stock. In this study, BSC distribution both before and after stocking was studied in Boonkong Bay, Sikao District, Trang Province, Thailand. Crab traps (1.5 inch mesh size) were used to collect BSC. Data were collected for four months and then analyzed to determine the distribution of BSC by interpolation function of geographic information system (GIS). The results showed that crab number was low (1 and 2 crabs/month) in September and October 2011. On July 9, 2013, thirty thousand young crabs (23 days after hatching) were released. In September 2013, the number of crabs increased (19 crabs/month), with an average size of 8.01-10.00 em (medium size). In October 2013, the number of crabs decreased (11 crabs/month). The large size class (10.01-12.00 em) was found extensively near the bay mouth. The results showed that there is potential for successful BSC stock enhancement in seagrass bed areas.
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Nitiratsuwan, T., Panwanitdumrong, K., & Ngamphongsai, C. (2014). Increasing Population of Blue Swimming Crab (Portunus pelagicus Linnaeus, 1758) Through Stock Enhancement: A Case Study in Boonkong Bay, Sikao District, Trang Province, Thailand. Journal of Fisheries and Environment, 38(2), 17–26. Retrieved from https://li01.tci-thaijo.org/index.php/JFE/article/view/80583
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References
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20. Thepphanich, A., Noouseng, S.,Wongwiwat, N. and Chumworathayi, S. 2008. Culture of blue swimming crabs (Portunus pelagicus Linaeus, 1758) with three different feeds in earthen ponds. Technical Paper no. 44/2008, Fisheries Research and Development Bureau, Department of Fisheries, Ministry of Agriculture and Cooperatives. 30 pp. [in Thai]
2. Archdale, M.V., Aiiasco, C.P. and Hiromori, S. 2006. Comparative fishing trials for invasive swimming crabs Charybdis japonica and Portunus pelagicus using collapsible pots. Fisheries Research. 82: 50-55.
3. Archdale, M.V., Aiiasco, C.P., Kawamura, Y. and Tomiki, S. 2007. Effect of two collapsible pot designs on escape rate and behavior of the invasive swimming crabs Charybdisjaponica and Portunus pelagicus. Fisheries Research. 85: 202-209.
4. Bell, J.D., Bartley, D.M., Lorenzen, K. and Loneragan, N.R. 2006. Restocking and stock enhancement of coastal fisheries: Potential, problems and progress. Fisheries Research. 80:1-8.
5. Fushimi, H. 2001. Production of juvenile marine finfish for stock enhancement in Japan. Aquaculture. 200:33-53.
6. Hamasaki, K. and Kitada, S. 2006. A review of kuruma prawn Penaeusjaponicus stock enhancement in Japan. Fisheries Research. 80:80-90.
7. Jindalikit, J., Panvichien, S. and Prapheut, P. 2004. Distribution of Portunus pelagicus Linnaeus, 1758 in the Area of Chonburi Province by Research Vessel Pramong 2, Department of Fisheries, Ministry of Agriculture and Cooperatives, Bangkok, Thailand, pp. 12-42. [in Thai]
8. Johnston, K., Hoef, J.M.V., Krivoruchko, K. and Lucas, N. 2003. ArcGIS 9; Using ArcGIS Geostatistical Analyst. California: ESRI.
9. Kedmuean, K., Koolkaew, K. and Jitmha, S. 2004. Rearing of blue swimming crabs Portunus pelagicus (Linaeus, 1758) in earthen ponds. Technical Paper no.38/2004, Songkhla Fisheries Research and Development Center, Fisheries Research and Development Bureau, Department of Fisheries, M in i stry o f A gr icu ltu r e an d Cooperatives. 14 pp. [in Thai]
10. Kenyon, R. A., Haywood, M. D. E., Heales, D. S., Loneragan, N. R., Pendrey, R. C. and Vance, D. J.1999. Abundance of fish and crustacean postlarvae on portable artificial seagrass units: Daily sampling provides quantitative estimates of the settlement of new recruits. Journal of Experimental Marine Biology and Ecology. 232: 197 -216.
11. Lipcius, R.N., Seitz, R.D., Seebo, M.S. and Colon-Carrion, D. 2005. Density, abundance and survival of the blue crab in seagrass and unstructured salt marsh nurseries of Chesapeake Bay. Journal of Experimental Marine Biology and Ecology. 319:69-80.
12. Nitiratsuwan, T., Chiayvareesajja, S. and Somboonsuke. B. 2007. Socio-economic conditions of small-scale fishers in Trang Province and their blue swimming crab (Portunuspelagicus ) fishing. Kasetsart Journal (Social Science). 28: 309-320.[in Thai]
13. Nitiratsuwan, T. and Juntarashote, K. 2009. Spatial m anagement for blue swimming crab (Portunus pelagicus Linnaeus, 1758): a case study of Trang province. Journal of Fisheries Technology Research. 3: 97-102. [in Thai]
14. Nitiratsuw an, T., Nitithamyong, C., Chiayvareesaija, S. and Somboonsuke, B. 2010. Distribution of blue swimming crab (Portunus pelagicus Linnaeus, 1758) in Trang Province. The Songklanakarin Journal of Science and Technology 32 (3):207-212.
15. Perkins-Visser, E., Wolcott, T.G. and Wolcott, D.L. 1996. Nursery role of seagrass beds: enhanced growth of juvenile blue crabs (Callinectes sapidus Rathbun). Journal of Experimental Marine Biology and Ecology. 198:155-173
16. Rufino, M.M., Maynoub, F., Abell' o, P., Sola, L.G. and Yule, A.B. 2005. The effect of methodological options on geostatistical modeling of animal distribution: A case study with Liocarcinus depurator (Crustacea: Brachyura) trawl survey data. Fisheries Research. 76: 252-265.
17. Seitz, R.D., Lipcius, R.N. and Seebo, M.S. 2005. Food availability and growth of the blue crab in seagrass and unvegetated nurseries of Chesapeake Bay. Journal of Experimental Marine Biology and Ecology. 319: 57-68.
18. StØttrup, J.G., Sparrevohn, C.R., Modin, J. and Lehmann, K. 2002. The use of releases of reared fish to enhance natural populations: A case study on turbot Psetta maxima (Linne, 1758). Fisheries Research. 59:161-180.
19. Tanasomwang, V., Thongbor, P., Thongbor, C. and Thonglum, W. 2004. Rearing blue swimming crab ( Portunus pelagicus Linnaeus, 1758) larvae in captive by providing different shelter. Thai Fisheries Gazette. 57, 505-514. [in Thai]
20. Thepphanich, A., Noouseng, S.,Wongwiwat, N. and Chumworathayi, S. 2008. Culture of blue swimming crabs (Portunus pelagicus Linaeus, 1758) with three different feeds in earthen ponds. Technical Paper no. 44/2008, Fisheries Research and Development Bureau, Department of Fisheries, Ministry of Agriculture and Cooperatives. 30 pp. [in Thai]